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United States Geological Survey

Геологи́ческая слу́жба США (англ. United States Geological Survey, сокращённо USGS) — американская геологическая служба, научно-исследовательская правительственная организация, специализирующаяся в геологической съёмке США и изучении наук о Земле.

Источник
Regulations and instructions of the United States Geological survey
Regulations and instructions of the United States Geological survey
United States Geological Survey
United States irrigation survey
United States irrigation survey
United States Geological Survey
Water wells and springs in the Fremont Valley area, Kern County, California
Water wells and springs in the Fremont Valley area, Kern County, California
United States Geological Survey
Water-supply and Irrigation Papers of the United States Geological Survey
Water-supply and Irrigation Papers of the United States Geological Survey
United States Geological Survey
Minerals Yearbook, 2002, V. 3, Area Reports, International, Africa and the Middle East (Minerals Yearbook Volume 3: Area Reports: International Review, Africa and the Middle East)
Minerals Yearbook, 2002, V. 3, Area Reports, International, Africa and the Middle East (Minerals Yearbook Volume 3: Area Reports: International Review, Africa and the Middle East)
United States Geological Survey
Suggestions to authors of papers submitted for publication by the the United States geological survey, with directions to typewriter operators
Suggestions to authors of papers submitted for publication by the the United States geological survey, with directions to typewriter operators
United States Geological Survey